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Staff Power Electronics Engineer

CesiumAstro

Job Location:

Westminster, CA - USA

Yearly Salary: $ 158000 - 189000

Posted: 22 August 2026 (Yesterday)

Application Deadline: 19 November 2026

Vacancies: 1 Vacancy

Job Summary

Please Note:To conform with the United States Government Space Technology Export Regulations the applicant must be a U.S. citizen lawful permanent resident of the U.S. conditional resident asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)) or eligible to obtain the required authorizations from the U.S. Department of State.

AtCesiumAstro we are developers and pioneers of out-of-the-box communication systems for satellites UAVs launch vehicles and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment which allows us to learn develop and engage across our organization. If you are looking for hands-on interactive and autonomous work CesiumAstro is the place for you. We are actively seeking passionate collaborative energetic and forward-thinking individuals to join our team.

We are seeking a Staff Power Electronics Engineer to join our growing satellite communication (SATCOM) terminal development team. In this position you will contribute across the entire development lifecycle of next-generation power electronics hardware for military and commercial power systemsfrom leading the definition of power system architectures and trade studies to detailed circuit design simulation printed circuit board (PCB) layout verification and integration testing production transition and manufacturing support.

JOB DUTIES AND RESPONSIBILITIES

Lead the development ofpower system architecturesand derive power subsystemrequirements.
DesignDC-DCpower converters power suppliesand power distribution systems ranging from a few watts to more than20 kW of power in the 0.8 V to 400 V range.
Designsingle-phase andthree-phase AC-DC power supplies and powerdistributionsystemsranging from a few kilowatts to more than20 kW.
Performcomprehensiveanalysis ofAC-DC and DC-DC power suppliesincluding worst-case circuit analysis(WCA) stress analysis small signalmodelinganalysisfailure modes and effects analysis(FMEA)reliability analysisand power integrity analysis.
Develop design verification test plans requirement compliance matrices system integration and qualification test plans and production acceptance test plans for power converters and power supplies.
Leadboardbring-up and design verification testing ofanalog andpower electronics circuits.
Lead systemintegrationqualification campaigns andproductionreleaseofpowersupplymodules and power systems.
Mentor younger engineersand foster knowledge sharing.
Lead a small team of power electronics engineers to drive project execution.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS

Bachelor of Science (BS) degree or higher in Electrical Engineering from an accredited university.
Minimum of 8 years of experience designing analog and power electronics
Experience working with electrical power systems and subsystems including developing power architecture and power requirements performing trade studies for size weight power and cost optimization (SWAP-C) selecting power converter topologies and defining power management and control blocks
Experience designing testing and qualifying single-phase and three-phase off-line AC-DC power supplies and DC-DC power supplies for industrial airborne or military systems
Knowledge of control theory and stability of power electronics including experience characterizing control loops and impedances in the laboratory
Experience designing power filters for low noise outputs and for power line electromagnetic compatibility (EMC)
Experience developing design verification test plans requirement compliance matrices system integration and qualification test plans and production acceptance test plans
Experience performing worst-case circuit analysis (WCA) stress analysis failure modes and effects analysis (FMEA) and reliability analysis for power supplies
Extensive hands-on experience with testing and troubleshooting electronics and power converters using laboratory instruments such as oscilloscopes impedance analyzers spectrum analyzers electronic loads and signal generators
Experience with analysis and simulation tools such as SPICE LTSPICE SIMetrix/SIMPLIS PLECS Simulink MATLAB MathCAD ANSYS Q3D and SiWave or HyperLynx
Experience with isolation and grounding failure mode effects analysis and fault tolerant design and thermal management of power electronics
Experience designing and testing power electronics units to meet industry standards and requirements in the automotive industrial aircraft or military markets (e.g. FCC CISPR UL safety standards ECSS NASA MIL standards)
Excellent written and verbal communication skills

PREFERRED EXPERIENCE

Experience designing and testing isolated and non-isolated DC-DC power converters (e.g. discrete linear regulators Buck Boost Buck-boost Flyback Forward)
Experience designing or specifying custom power magnetics for power supplies and power line filters
Knowledge of power stage design and control methods for power factor correction (PFC) converters and active rectifiers
Experience generating statements of work and requirements for external vendors vendor selection and vendor management for power supply and power system rack developments
Experience with electronics schematic capture and printed circuit board (PCB) layout tools such as Altium OrCAD Allegro or Xpedition
Experience running board-level power integrity simulation using tools such as Ansys SiWave or HyperLynx
Knowledge of soft switching and resonant power converter topologies (e.g. LLC CLLC series resonant phase shifted full bridge dual active bridge etc.)
Programming skills to support hardware test and data processing (Python MATLAB etc.)

$158000 - $189000 a year

CesiumAstro considers several factors when extending an offer including but not limited to the role and associated responsibilities a candidates work experience education/training and key skills. Full-time employment offers include company stock options and a generous benefits package including health dental vision HSA FSA life disability and retirement plans.

CesiumAstro is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard torace color religion sex national origin disability protected Veteran Status or any other characteristic protected by applicable federal state or local law.

Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members will be considered property of CesiumAstro and we will not be obligated to pay any referral fees.

We may use artificial intelligence (AI) tools to support parts of the hiring process such as reviewing applications analyzing resumes or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed please contact us.

Required Experience:

Staff IC

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